ENGINE
3.7
RADIATOR CAP / SYSTEM
PRESSURE
TEST
1. Remove radiator cap and test using a cap tester
(commercially available).
2. The radiator cap relief pressure is 13 lbs. for all
models.
Pressure test
here with cap
in place
Vent hole inside cap
liner must be clear.
Radiator
Front
View
COOLING SYSTEM
COOLING SYSTEM
SPECIFICA
TIONS
Thermistor
26 ± 2.1 ft.lbs.
(35 ± 3Nm)
THERMISTOR READING DURING OPERA
TION
Condition
Approx. Reading
(Min--Max)
Temperature
Hot Light
On
178Ω -- 190Ω 215° F
(102° C)
Fan Off 296Ω -- 316Ω 180° F(82° C)
Fan On 236Ω -- 251Ω 195° F(91° C)
System
Capacity
2.25 Quarts
(2.13L)
Radiator
Cap Relief
Pressure
13 PSI
RECOMMENDED COOLANT
Use only high quality antifreeze/coolant mixed with
distilled water in a 50/50 or 60/40 ratio, depending on
freeze protection required in your area. CAUTION:
Using tap water in the cooling system will lead to a
buildup of deposits which may restrict coolant flow and
reduce heat dissipation, resulting in possible engine
damage. Polaris Premium 60/40 Antifreeze/Coolant is
recommendedforuseinallcoolingsystems, andcomes
pre-mixed and ready to use.
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